$ git clone -n https://gitee.com/ocs-bot/perl-version.git /var/lib/mock/dist-ocs23-build-116667-8127/root/chroot_tmpdir/scmroot/perl-version
Cloning into '/var/lib/mock/dist-ocs23-build-116667-8127/root/chroot_tmpdir/scmroot/perl-version'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/perl-version
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3c987e Upgrade to version 0.99.30